A Study to Evaluate Pertuzumab + Trastuzumab + Docetaxel vs. Placebo + Trastuzumab + Docetaxel in Previously Untreated HER2-Positive Metastatic Breast Cancer

Completed · Phase 3 · Has a placebo group

Conditions studied: Metastatic Breast Cancer

In brief

This study was a Phase III, randomized, double-blind, placebo-controlled, multicenter international clinical trial conducted to investigate the use of pertuzumab in combination with trastuzumab and docetaxel as first-line treatment for participants with human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (MBC). Participants could have received one prior hormonal treatment for MBC. Participants may have received systemic breast cancer treatment in the neo-adjuvant or adjuvant setting, provided that the participant had experienced a disease-free interval (DFI) of greater than or equal to (≥)12 months from completion of adjuvant systemic treatment (excluding hormonal therapy) to metastatic diagnosis. Participants may have received trastuzumab and/or a taxane during the neo-adjuvant or adjuvant treatment. Participants were randomized in 1:1 ratio to receive either pertuzumab or placebo, along with trastuzumab and docetaxel once every 3 weeks (q3w), during the treatment phase of the study until investigator-assessed radiographic or clinical progressive disease, unmanageable toxicity, or study termination. Participants in the Placebo arm were not allowed to receive open-label pertuzumab after discontinuation from study treatment. However, if any analysis of overall survival had met the predefined criteria for statistical significance, participants in the Placebo arm still on treatment were offered the option to receive open-label pertuzumab in addition to other study medications.

Key facts

Study ID

NCT00567190

Run by

Genentech, Inc.

People needed

808

Starts

2008-02-12

Expected to finish

2018-11-23

Last updated by the study team

2019-12-13

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Histologically or cytologically confirmed adenocarcinoma of the breast with locally recurrent or metastatic disease, and candidate for chemotherapy. Participants with measurable and non-measurable disease are eligible (locally recurrent disease must not be amenable to resection with curative intent; participants with de novo Stage IV disease are eligible)
• Human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer (MBC)
• Left ventricular ejection fraction (LVEF) ≥50 percent (%) at baseline (within 42 days of randomization)
• Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1
• For women of childbearing potential and men with partners of childbearing potential, agreement to use a highly effective form of contraception and to continue its use for the duration of study treatment and for at least 7 months after the last dose of study treatment

You may not qualify if…

• History of anti-cancer therapy for MBC (with the exception of one prior hormonal regimen for MBC, which must be stopped prior to randomization)
• History of approved or investigative tyrosine kinase/HER inhibitors for breast cancer in any treatment setting, except trastuzumab used in the neoadjuvant or adjuvant setting
• History of systemic breast cancer treatment in the neo-adjuvant or adjuvant setting with a disease-free interval from completion of the systemic treatment (excluding hormonal therapy) to metastatic diagnosis of less than (<)12 months
• History of persistent Grade ≥2 hematologic toxicity resulting from previous adjuvant therapy
• Current peripheral neuropathy of National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 3.0, Grade ≥3 at randomization
• History of other malignancy within the last 5 years, except for carcinoma in situ of the cervix, basal cell carcinoma or squamous cell carcinoma of the skin that has been previously treated with curative intent
• Current clinical or radiographic evidence of central nervous system (CNS) metastases
• Computed tomography (CT) or magnetic resonance imaging (MRI) scan of the brain is mandatory in cases of clinical suspicion of brain metastases
• History of exposure to cumulative doses of anthracyclines
• Current uncontrolled hypertension or unstable angina
• History of congestive heart failure (CHF) of any New York Heart Association (NYHA) criteria, or serious cardiac arrhythmia requiring treatment (exception: atrial fibrillation or paroxysmal supraventricular tachycardia)
• History of myocardial infarction within 6 months of randomization
• History of LVEF decline to below 50% during or after prior trastuzumab neo-adjuvant or adjuvant therapy
• Current dyspnea at rest due to complications of advanced malignancy, or other diseases that require continuous oxygen therapy
• Inadequate organ function, as defined in the protocol, within 28 days prior to randomization
• Current severe, uncontrolled systemic disease
• Major surgical procedure or significant traumatic injury within 28 days prior to study treatment start or anticipation of the need for major surgery during the course of study treatment
• Pregnant or lactating women
• History of receiving any investigational treatment within 28 days of randomization
• Current known infection with human immunodeficiency virus (HIV), hepatitis B virus (HBV), or hepatitis C virus (HCV)
• Receipt of IV antibiotics for infection within 14 days of randomization
• Current chronic daily treatment with corticosteroids (excluding inhaled steroids)
• Known hypersensitivity to any of the study drugs
• Assessed by the investigator to be unable or unwilling to comply with the requirements of the protocol

Where it is running

• NEA Baptist Clinic — Jonesboro, Arkansas, United States
• Central Hematology Oncology Medical Group Inc. — Alhambra, California, United States
• Pacific Cancer Medical Center — Anaheim, California, United States
• Comprehensive Blood/Cancer Ctr — Bakersfield, California, United States
• Kaiser Permanente - Baldwin Park — Baldwin Park, California, United States
• Tower Cancer Research Foundation — Beverly Hills, California, United States
• South Bay Oncology Hematology Partners — Campbell, California, United States
• Wilshire Oncology Medical Group — Corona, California, United States
• Compassionate Cancer Care — Fountain Valley, California, United States
• Pacific Coast Hematology/Oncology Medical Group — Fountain Valley, California, United States
• St. Jude Heritage Healthcare; Virgiia K.Crosson Can Ctr — Fullerton, California, United States
• Wilshire Onc Med Grp., Inc — Glendora, California, United States
• Wilshire Oncology Medical Group — La Verne, California, United States
• UCLA — Los Angeles, California, United States
• LAC USC Medical Center — Los Angeles, California, United States
• Cedars- Sinai Medical Center — Los Angeles, California, United States
• Ronald Reagan UCLA Medical Center Clin Lab — Los Angeles, California, United States
• TORI Central Administration — Los Angeles, California, United States
• UCLA Hematology / Oncology Clinic — Los Angeles, California, United States
• UCLA Med Ctr; Pharma Svcs — Los Angeles, California, United States
• Sutter Gould Medical Foundation; Clinical Research — Modesto, California, United States
• Kaiser Permanente - Oakland — Oakland, California, United States
• Ventura County Hematology-Oncology Specialists — Oxnard, California, United States
• UCLA Healthcare/Pasadena Oncology — Pasadena, California, United States
• HonorHealth Research Institute - Bisgrove — Scottsdale, Arizona, United States

Full record on ClinicalTrials.gov

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